70820927 has 2 divisors, whose sum is σ = 70820928. Its totient is φ = 70820926.

The previous prime is 70820921. The next prime is 70820969. The reversal of 70820927 is 72902807.

It is a weak prime.

It is an emirp because it is prime and its reverse (72902807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70820927 - 2⁶ = 70820863 is a prime.

It is a super-2 number, since 2×70820927² = 10031207402278658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70820921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35410463 + 35410464.

It is an arithmetic number, because the mean of its divisors is an integer number (35410464).

Almost surely, 2^70820927 is an apocalyptic number.

70820927 is a deficient number, since it is larger than the sum of its proper divisors (1).

70820927 is an equidigital number, since it uses as much as digits as its factorization.

70820927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 70820927 is about 8415.5170369978. The cubic root of 70820927 is about 413.7333557255.

The spelling of 70820927 in words is "seventy million, eight hundred twenty thousand, nine hundred twenty-seven".